Communications: radio wave antennas – Antennas – Including magnetic material
Reexamination Certificate
2009-05-29
2011-12-13
Duong, Dieu H (Department: 2821)
Communications: radio wave antennas
Antennas
Including magnetic material
C343S787000, C343S895000
Reexamination Certificate
active
08077106
ABSTRACT:
The present invention provides a receiving antenna coil capable of realizing both improvement in the reception characteristic and miniaturization. In a receiving antenna coil, at least one of an X-axis winding core part and a Y-axis winding core part is formed in a plurality of bars. While increasing occupancy of the winding core parts (the X-axis winding core part and the Y-axis winding core part) in a region in the XY plane surrounded by a Z-axis receiving coil, the length of the winding core parts can be assured long. Further, since the X-axis winding core part and the Y-axis winding core part are provided in the same plane, the height of the core is suppressed, and the dimension of the entire receiving antenna coil can be suppressed.
REFERENCES:
patent: 2004/0061660 (2004-04-01), Yoshida et al.
patent: 2006/0267853 (2006-11-01), Naito
patent: 2007/0195001 (2007-08-01), Ueda
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patent: WO 2007/116797 (2007-10-01), None
European Search Report dated Jul. 14, 2009.
Duong Dieu H
McGinn IP Law Group PLLC
Sumida Corporation
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